5 Diagnostic preparations for medical and veterinary purposes, namely, diagnostics preparations for marking, separating, isolating, purifying, amplifying, cloning, sequencing and for the analysis of biopolymers, namely, nucleic acids; diagnostic reagents, enzymes and buffer solutions for nucleic acid amplification and cloning for medical or veterinary purposes; chemical, biochemical and biotechnological diagnostic preparations for medical and veterinary purposes, namely, reagents, enzymes and buffer solutions for marking, separating, isolating, purifying, amplifying, cloning, sequencing and for the analysis of biopolymers, namely, nucleic acids; diagnostic kits containing preparations for medical and veterinary diagnostic purposes, namely, for marking, separating, isolating, purifying, amplifying, cloning, sequencing and/or for the analysis of biopolymers, namely, nucleic acids; diagnostic kits containing reagents, enzymes and buffer solutions for nucleic acid amplification and cloning for medical or veterinary purposes